I know one can hide Annotations by setting displayAnnotations to
false.
View parameters like displayAnnotations should be independent of the
actual data model. If it were, this code would work:
<html>
<head>
<script type='text/javascript' src='http://www.google.com/jsapi'></
script>
<script type='text/javascript'>
google.load('visualization', '1', {'packages':
['annotatedtimeline']});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('date', 'Date');
data.addColumn('number', 'Sold Pencils');
data.addColumn('string', 'title1');
data.addColumn('string', 'text1');
data.addColumn('number', 'Sold Pens');
data.addColumn('string', 'title2');
data.addColumn('string', 'text2');
data.addRows(6);
data.setValue(0, 0, new Date(2008, 1 ,1));
data.setValue(0, 1, 30000);
data.setValue(0, 4, 40645);
data.setValue(1, 0, new Date(2008, 1 ,2));
data.setValue(1, 1, 14045);
data.setValue(1, 4, 20374);
data.setValue(2, 0, new Date(2008, 1 ,3));
data.setValue(2, 1, 55022);
data.setValue(2, 4, 50766);
data.setValue(3, 0, new Date(2008, 1 ,4));
data.setValue(3, 1, 75284);
data.setValue(3, 4, 14334);
data.setValue(3, 5, 'Out of Stock');
data.setValue(3, 6, 'Ran out of stock on pens at 4pm');
data.setValue(4, 0, new Date(2008, 1 ,5));
data.setValue(4, 1, 41476);
data.setValue(4, 2, 'Bought Pens');
data.setValue(4, 3, 'Bought 200k pens');
data.setValue(4, 4, 66467);
data.setValue(5, 0, new Date(2008, 1 ,6));
data.setValue(5, 1, 33322);
data.setValue(5, 4, 39463);
var chart = new google.visualization.AnnotatedTimeLine
(document.getElementById('chart_div'));
chart.draw(data, {displayAnnotations: false});
}
</script>
</head>
<body>
<div id='chart_div' style='width: 700px; height: 240px;'></div>
</body>
</html>
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